avformat/mp3dec: Check that the frame fits within the probe buffer

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
5 years ago · e9a335150a
parent ef466a8b29
commit e9a335150a
1 changed files with 1 additions and 1 deletions
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@ -89,7 +89,7 @@ static int mp3_read_probe(const AVProbeData *p)

            header = AV_RB32(buf2);
            ret = avpriv_mpegaudio_decode_header(&h, header);
-            if (ret != 0)
+            if (ret != 0 || end - buf2 < h.frame_size)
                break;
            buf2 += h.frame_size;
            framesizes += h.frame_size;